– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 pm Tue 03 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Tue 03 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 03 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 47mm), heaviest during Tue night. Mild temperatures (max 7°C on Tue afternoon, min 2°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 33mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 7°C on Sat night, min -1°C on Sun night). Wind will be generally light. | ||||||||||||||||
Tue 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | | |  | | | | | |  | |
light rain | heavy rain | mod. rain | rain shwrs | mod. rain | light rain | light rain | rain shwrs | light rain | rain shwrs | light rain | light rain | light rain | heavy rain | mod. rain | light rain | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | |
1.9 | 25 | 6 | 0.8 | 7 | 4 | 1.6 | 0.4 | 0.2 | 0.3 | 3 | 0.1 | 0.3 | 16 | 8 | 4 | — | |
max °C | 7 | 6 | 6 | 6 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 2 |
min °C | 7 | 4 | 5 | 5 | 2 | 3 | 3 | 2 | 4 | 3 | 4 | 6 | 6 | 7 | 7 | 5 | -1 |
4 | 3 | 4 | 5 | -1 | 1 | 1 | 2 | 4 | 3 | 4 | 6 | 5 | 6 | 5 | 2 | -5 | |
1650 | 1500 | 1250 | 1350 | 1100 | 900 | 950 | 950 | 1000 | 1200 | 1500 | 2400 | 2100 | 2100 | 1900 | 1650 | 750 | |
Cloud base (m) | 550 | 550 | 550 | 600 | 600 | 600 | 600 | 600 | 600 | 700 | 600 | 600 | 600 | 600 | 550 | 550 | 600 |
 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 7:35 | — | — |
 | 5:54 | — | — | 5:55 | — | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — | — | 7:01 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 47mm), heaviest during Tue night. Mild temperatures (max 7°C on Tue afternoon, min 2°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 33mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 7°C on Sat night, min -1°C on Sun night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.